Last August, Drake bought a Hidden Hills home priced most recently at $8.65 million -- down from $16.9 million in 2009. The pool, which has a grotto and back-lighted waterfall, also has an 80-foot slide.

Last August, Drake bought a Hidden Hills home priced most recently at $8.65 million -- down from $16.9 million in 2009. The pool, which has a grotto and back-lighted waterfall, also has an 80-foot slide. (Realtor.com)

The under-30 celebrity crowd has money to invest in real estate, and they dive right in. Justin Bieber's very first home cost him $6.5 million and comes with a movie theater. Rapper Drake fell for a home with a pool that has an 80-foot slide. Here are more young celebs and the homes they've...By Lauren Beale